What It Means
- Idle mode (Decimal blinks at 1 Hertz -- 0.5 second ON, 0.5 second OFF).
Lennox Ducted Heating
Lennox Ducted Heating Error Code .
Ducted Heating: Gas furnace (indoor)
Causes & actions from Lennox
How it shows
- Integrated control 7-segment display: .
This manual entry does not list further causes or actions.
Applicable models & manual sources
- EL195UHNEK
Idle mode (Decimal blinks at 1 Hertz -- 0.5 second ON, 0.5 second OFF).
EL195UHNEK, EL195UHNEK-01, EL195UHNEK-02
- EL196UHEK
Idle mode (Decimal blinks at 1 Hertz -- 0.5 second ON, 0.5 second OFF).
- EL280UHE(X)
Idle mode (Decimal blinks at 1 Hertz -- 0.5 second ON, 0.5 second OFF).
- EL280UHEK
Idle mode (Decimal blinks at 1 Hertz -- 0.5 second ON, 0.5 second OFF).
EL280UHEK, EL280UHEK(X)
- EL296UHE
Idle mode (Decimal blinks at 1 Hertz -- 0.5 second ON, 0.5 second OFF).
- EL297UHEK
Idle mode (Decimal blinks at 1 Hertz -- 0.5 second ON, 0.5 second OFF).
- ML180UHVK
Idle mode (Decimal blinks at 1 Hertz -- 0.5 second ON, 0.5 second OFF).
- ML193DFEK
Idle mode (Decimal blinks at 1 Hertz -- 0.5 second ON, 0.5 second OFF).
- ML196UHEK
Idle mode (Decimal blinks at 1 Hertz -- 0.5 second ON, 0.5 second OFF).
- ML196UHEK
Idle mode (Decimal blinks at 1 Hertz -- 0.5 second ON, 0.5 second OFF).
- ML296UHVK
Idle mode (Decimal blinks at 1 Hertz -- 0.5 second ON, 0.5 second OFF).
- ML297UH045XV36BK
Idle mode (Decimal blinks at 1 Hertz -- 0.5 second ON, 0.5 second OFF).
ML297UH045XV36BK, ML297UH070XV36BK, ML297UH090XV36CK, ML297UH090XV60CK, ML297UH110XV60CK, ML297UH135XV60DK, ML297UHVK
- SL280DFNV
Idle mode (Decimal blinks at 1 Hertz -- 0.5 second ON, 0.5 second OFF).
- SL280UHV
Idle mode (Decimal blinks at 1 Hertz -- 0.5 second ON, 0.5 second OFF).
- SL297UHNV
Idle mode (Decimal blinks at 1 Hertz -- 0.5 second ON, 0.5 second OFF).
- SLP98UHV
Idle mode (Decimal blinks at 1 Hertz −− 0.5 second ON, 0.5 second OFF).
- SLP99UHV
Idle mode (Decimal blinks at 1 Hertz -- 0.5 second ON, 0.5 second OFF).
Disclaimer: This information is for general reference. Code wording and instructions vary by model. Always follow the service manual for your exact unit.
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